:root{color:#121717;background:#fff;font-family:Arial,Helvetica,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--marine: #003f46;--marine-dark: #00363d;--line: #d7dada;--line-soft: #e5e7e7;--muted: #626a6a;--sidebar: #f7f8f8}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100%;margin:0}body{min-height:100vh;background:#fff;-webkit-font-smoothing:antialiased}button,select,input{color:inherit;font:inherit}button,a,select,input{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,.calendar-scroll:focus-visible{outline:2px solid #16747e;outline-offset:2px}.auth-stage{min-height:100vh;display:grid;place-items:center;padding:32px 20px;background:#f7f8f8}.auth-shell{width:min(100%,390px)}.auth-logo,.auth-loading img{display:block;width:154px;height:auto;margin:0 0 38px}.auth-form-area{padding-top:28px;border-top:1px solid var(--line)}.auth-form-area h1{margin:0 0 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.sidebar{height:1058px}.qa-stage .details-panel{min-height:929px}.qa-stage .schedule-toolbar,.qa-stage .week-controls,.qa-stage .schedule-filters{flex-wrap:nowrap}.qa-stage .calendar-scroll{margin-top:30px}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;background:var(--sidebar);border-right:1px solid var(--line);overflow:hidden}.brand{height:104px;display:flex;align-items:flex-start;padding:23px 24px 0}.brand img{display:block;width:139px;height:auto;margin-left:-7px}.sidebar-nav{display:flex;flex-direction:column}.nav-item{position:relative;width:100%;height:54px;display:flex;align-items:center;gap:12px;padding:0 22px 0 31px;border:0;background:transparent;color:#111515;text-align:left;cursor:pointer}.nav-item:before{content:"";position:absolute;inset:0 auto 0 10px;width:3px;background:transparent}.nav-item:hover{background:#f0f2f2}.nav-item.active{background:#eceeee}.nav-item.active:before{background:var(--marine)}.nav-icon{display:none;flex:0 0 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var(--line);border-right:0}.brand,.sidebar-footer{display:none}.sidebar-nav{height:100%;display:grid;grid-template-columns:repeat(5,1fr)}.mobile-logout{display:flex}.nav-item{height:64px;flex-direction:column;justify-content:center;gap:3px;padding:0 4px;font-size:11px;text-align:center}.nav-item:before{inset:0 20% auto;width:auto;height:3px}.nav-icon{display:block}.main-content{padding:24px 16px}.main-content>h1,.shop-heading h1{margin-bottom:22px;font-size:27px}.schedule-toolbar,.week-controls,.schedule-filters{align-items:center}.schedule-toolbar{gap:14px;padding-right:0}.week-controls{width:100%;display:grid;grid-template-columns:38px minmax(0,1fr) 38px;gap:8px}.today-button{display:none}.week-range{min-width:0}.schedule-filters{width:100%;justify-content:space-between;gap:10px}.segmented-control{flex:1}.segmented-control button{min-width:0;flex:1}.calendar-scroll,.lesson-list{margin-top:16px}.details-panel{padding:20px}.table-head{display:none}.table-row{grid-template-columns:1fr;gap:8px;padding:18px}.product-row{grid-template-columns:1fr auto;gap:12px}.product-row button{grid-column:1 / -1}}